New DripDropper Malware Exploits Linux Flaw Then Patches It Lock Rivals Out
A new report from Red Canary reveals a clever Linux malware called DripDropper that exploits a flaw and…
Linux
Lockbit Linux ESXi Ransomware Variant Reveals Evasion Techniques and File Encryption Process
A recent reverse engineering analysis of a Lockbit ransomware variant targeting Linux-based ESXi servers has uncovered several sophisticated evasion techniques and operational details. The malware, first documented in 2022, employs the ptrace system ca…
North Korean Hackers’ Secret Linux Malware Surfaces Online
Phrack Magazine’s latest issue #72 has unveiled a significant data leak from a suspected North Korean hacking operation, including exploit tactics, compromised system details, and a sophisticated Linux rootkit. The dump, linked to a Chinese threa…
Hack The Box: Nocturnal Machine Walkthrough – Easy Difficulty
Captured the user flag by exploiting a file upload feature, unpacking .odt files to reveal a hidden password with xmllint, and injecting a reverse shell via the backup feature to get a www-data shell. Retrieved hashes from the nocturnal_database, cracked Tobias’s password (slowmotionapocalypse), and obtained the user flag. For the root flag, enumerated open ports, found port 8080 running ISPConfig, accessed it with admin credentials, identified the version, executed a public exploit, and gained root shell to capture the root flag.
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Threat Actors Leverage CrossC2 to Extend Cobalt Strike to Linux and macOS
JPCERT/CC verified a number of events in which threat actors were seen using CrossC2, an unofficial extension tool that creates Cobalt Strike Beacons that work with Linux and macOS. This campaign, which targeted Active Directory (AD) infrastructures, i…
FireWood Malware Targets Linux Systems for Command Execution and Data Theft
Intezer’s Research Team has uncovered a new, low-detection variant of the FireWood backdoor, a sophisticated Linux-based remote access trojan (RAT) initially discovered by ESET researchers. Linked to the “Project Wood” malware lineage datin…
Linux Webcams Weaponized to Inject Keystrokes and Execute Attacks
Security researchers have uncovered a concerning vulnerability that transforms everyday USB webcams into covert attack tools capable of injecting malicious keystrokes and executing unauthorized commands on connected computers. This groundbreaking disco…
Legitimate System Functions Exploited to Steal Secrets in Shared Linux Setups
Security researcher Ionuț Cernica revealed how commonplace Linux utilities can be weaponized to siphon sensitive data in multi-tenant environments. His talk, “Silent Leaks: Harvesting Secrets from Shared Linux Environments,” exposed that without any ro…
BadCam: Linux-based Lenovo webcam bugs enable BadUSB attacks
Lenovo webcam flaws, dubbed BadCam, let attackers turn them into BadUSB devices to inject keystrokes and launch OS-independent attacks. Eclypsium researchers found vulnerabilities in some Lenovo webcams, collectively dubbed BadCam, that could let attackers turn them into BadUSB devices to inject keystrokes and launch OS-independent attacks. Principal security researchers Jesse Michael and Mickey Shkatov demonstrated […]
Critical Linux Kernel Vulnerability Allows Attackers Gain Full Kernel-Level Control From Chrome Sandbox
August 9, 2025: A severe security vulnerability in the Linux kernel, dubbed CVE-2025-38236, has been uncovered by Google Project Zero researcher Jann Horn, exposing a pathway for attackers ranging from native code execution within the Chrome renderer s…